package com.iwhalecloud.bss.kite.cucc.common.util.attackUtil;

import sun.misc.BASE64Encoder;

import java.nio.charset.Charset;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

@SuppressWarnings("all")
public class Des {
    private final static String[] hexDigits = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d",
        "e", "f"};

    public static String byteArrayToHexString(byte[] b) {
        StringBuffer resultSb = new StringBuffer();
        for (int i = 0; i < b.length; i++) {
            resultSb.append(byteToHexString(b[i]));
        }
        return resultSb.toString();
    }

    private static String byteToHexString(byte b) {
        int n = b;
        if (n < 0) {
            n = 256 + n;
        }
        int d1 = n / 16;
        int d2 = n % 16;
        return hexDigits[d1] + hexDigits[d2];
    }

    public static String MD5Encode(String origin) {
        String resultString = null;
        try {
            resultString = new String(origin);
            MessageDigest md = MessageDigest.getInstance("MD5");
            resultString = byteArrayToHexString(md.digest(resultString.getBytes()));
        } catch (Exception ex) {
        }
        return resultString;
    }

    public static String md5(String string) throws NoSuchAlgorithmException {
        MessageDigest messageDigest = MessageDigest.getInstance("MD5");
        messageDigest.reset();
        messageDigest.update(string.getBytes(Charset.forName("UTF8")));
        final byte[] resultByte = messageDigest.digest();
        BASE64Encoder base64en = new BASE64Encoder();
        return base64en.encode(resultByte);
    }

    public static void main(String[] args) throws NoSuchAlgorithmException {
//		System.err.println(MD5Encode("111111"));
//		log.info("{}",md5("111111"));
    }
}
